Remove enclosingIntRect(const IntRect&) and adjust all call sites.

BUG=247934

Review URL: https://chromiumcodereview.appspot.com/16700002

git-svn-id: svn://svn.chromium.org/blink/trunk@152087 bbb929c8-8fbe-4397-9dbb-9b2b20218538
5 files changed